main-thread-scheduling - npm Package Compare versions

Comparing version 4.0.0-0 to 4.0.0-1

package.json

 {
     "name": "main-thread-scheduling",
-    "version": "4.0.0-0",
+    "version": "4.0.0-1",
     "description": "Consistently responsive apps while staying on the main thread",
@@ -5,0 +5,0 @@ "license": "MIT",

src/phaseTracking.js

@@ -0,22 +1,39 @@
+import nextTask from './nextTask';
 // #hack
 let shouldRequestAnimationFrame = false;
 const idlePhaseTracker = createPhaseTracker((callback) => {
-    if (typeof requestIdleCallback === 'undefined') {
-        return;
-    }
     const handleIdleCallback = () => {
-        requestIdleCallback((deadline) => {
-            shouldRequestAnimationFrame = true;
-            callback({
-                deadline,
-                start: Date.now(),
+        if (typeof requestIdleCallback === 'undefined') {
+            nextTask(() => {
+                shouldRequestAnimationFrame = true;
+                const start = Date.now();
+                const deadline = start + 16;
+                callback({
+                    start: start,
+                    deadline: {
+                        timeRemaining() {
+                            return Math.max(deadline - Date.now(), 0);
+                        },
+                        didTimeout: false,
+                    },
+                });
+                shouldRequestAnimationFrame = false;
             });
-            shouldRequestAnimationFrame = false;
-        }, {
-            // #WET 2021-06-05T3:07:18+03:00
-            // #connection 2021-06-05T3:07:18+03:00
-            // call at least once per frame
-            // asuming 60 fps, 1000/60 = 16.667
-            timeout: 16,
-        });
+        }
+        else {
+            requestIdleCallback((deadline) => {
+                shouldRequestAnimationFrame = true;
+                callback({
+                    deadline,
+                    start: Date.now(),
+                });
+                shouldRequestAnimationFrame = false;
+            }, {
+                // #WET 2021-06-05T3:07:18+03:00
+                // #connection 2021-06-05T3:07:18+03:00
+                // call at least once per frame
+                // asuming 60 fps, 1000/60 = 16.667
+                timeout: 16,
+            });
+        }
     };
@@ -23,0 +40,0 @@ if (shouldRequestAnimationFrame) {

No alert changes

Improved metrics

Total package byte prevSize

26936

increased by2.53%

Lines of code

444

increased by3.98%

No dependency changes